Assume That a Simple Random Sample Has Been Selected from a Normally

question 22

Essay

Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Use either the traditional method or P-value method as indicated.
Identify the null and alternative hypotheses, test statistic, critical value(s)or P-value (or range
of P-values)as appropriate, and state the final conclusion that addresses the original claim. A
public bus company official claims that the mean waiting time for bus number 14 during peak
hours is less than 10 minutes. Karen took bus number 14 during peak hours on 18 different
occasions. Her mean waiting time was 7.6 minutes with a standard deviation of 2.3 minutes.
At the 0.01 significance level, test the claim that the mean waiting time is less than 10
minutes. Use the P-value method of testing hypotheses.

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Definitions:

Federalists

A political group in early United States history that advocated for a strong federal government and the ratification of the Constitution.

Debate Clubs

Organizations where individuals gather to discuss and argue about various topics, improving their critical thinking, research, and public speaking skills.

Jefferson's Presidency

The period from 1801 to 1809 when Thomas Jefferson served as the third President of the United States, notable for the Louisiana Purchase and Lewis and Clark Expedition.